Which is cheaper, the Seiko 5KX or the William Wood Valiant No-Date?

At MSRP the Seiko 5KX is the cheaper of the two at $350, against $1,100 for the William Wood Valiant No-Date — a $750 gap before any retailer discounting.

Which is bigger, the Seiko 5KX or the William Wood Valiant No-Date?

The Seiko 5KX wears larger at 42.5mm versus 41mm for the William Wood Valiant No-Date — a 1.5mm difference across the dial.

Which has better water resistance, the Seiko 5KX or the William Wood Valiant No-Date?

The William Wood Valiant No-Date is rated to 100m versus 10m for the Seiko 5KX.

What movement does the Seiko 5KX run compared to the William Wood Valiant No-Date?

Both watches run automatic movements — the Seiko 5KX uses the 4R36 and the William Wood Valiant No-Date uses the NH35.

Side by side

Seiko 5KXvsWilliam Wood Valiant No-Date

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Add a watch

Seiko 5KX

MSRP $350

See the full 5KX

William Wood Valiant No-Date

MSRP $1,100

See the full Valiant No-Date

Buy from Seiko ↗

Buy used on eBay ↗

Buy from William Wood ↗

Buy used on eBay ↗

At a glance

12 of 29 specs differ

Diameter

5KX42.5mm

Valiant No-Date41mm

Power Reserve

5KX41h

Valiant No-Date—

Water Resistance

5KX100m

Valiant No-Date100m

MSRP

5KX$350

Valiant No-Date$1,100

Full specifications

Case

5 specs

Diameter

42.5mm

41mm

Thickness

13.4mm

15mm

Lug-to-Lug

46mm

49mm

Lug Width

22mm

20mm

Material

Stainless Steel

316L Stainless Steel

Crystal & Dial

3 specs

Crystal

Hardlex

Domed Sapphire

Dial Color

—

Black

Lume

LumiBrite on hands and index(es)

None

Movement

3 specs

Caliber

4R36

NH35

Power Reserve

41h

Jewels

Pricing

1 specs

MSRP

$350

$1,100

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Spinnakermicro

Follow this matchup

Get a note when Seiko 5KX vs William Wood Valiant No-Date gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Borealis Watch Co. Caloura 300mvsWilliam Wood Valiant No-Date Spinnaker Croft PioneervsWilliam Wood Valiant No-Date Spinnaker Bradner Pearl DivervsWilliam Wood Valiant No-Date William Wood Valiant No-DatevsZelos Great White 43 Spinnaker Hull DivervsSeiko 5KX Spinnaker Spence 300vsSeiko 5KX

Edit this comparison Add another watch More diver comparisons Best Diver Watches Under $500 Explore more 40–44mm watches

Seiko 5KXvsWilliam Wood Valiant No-Date

At a glance

Full specifications

More watches worth a look

Hull Commander

Spence 300

Jamanta

Caloura 300m

The T Rex By Boldr X Nitecore

Thresher 44

Allsport Diver 1

1A

Follow this matchup

People also compared